Which to use
“oof” is an intj and “oz” is a noun - they look or sound alike but fill different roles in a sentence.
- #23,927
- “oof” frequency rank
- #7,037
- “oz” frequency rank
- 30964
- confusion score
Side-by-Side Comparison
| Feature | oof | oz |
|---|---|---|
| Definition | A sound mimicking the loss of air, as if someone's solar plexus had just been struck. | Abbreviation of ounce; any of various units of weight and volume. |
Where the eye mixes oof and oz
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between oof and oz
These two trip readers on the page rather than in the ear: oof is /uːf/ while oz is /aʊns/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 30964, derived from the frequency rank of both members and their visual similarity.
oof is recorded at frequency rank #23,927, classified as anintj, pronounced /uːf/. oz is at rank #7,037, tagged as anoun, pronounced /aʊns/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 30964, this pair ranks #350,185 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of oof vs oz
Shared letters: o. Private to "oof": f. Private to "oz": z.
"oof" · 3 letters · shape VVC · "oz" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "oof" for "oz" ever safe?
Which is more common, "oof" or "oz"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "oof" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #350,185 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "oof" and "oz" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oof". Nearby pair
Confusion rank #350,185 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.